Fix the preview icon shrinking if font size is increased
Fix the preview icon shrinking if font size is increased

Fixed: 1269666
Change-Id: Ibbec29c88258a001fed391524177e58bb47009e2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3550266
Reviewed-by: Simon Zünd <38944668e9e2ca98ccd0275b53370f90fa55c113@chromium.org>
Commit-Queue: Alex Rudenko <d8d88e7d7e77f69e23d1d1432231196fb8e02a62@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend